Incorporated: November 30, 1886
City Hall: 1685 Main St, Santa Monica, California 90401
Population (2020 Census): 93,076 (Also see latest State Population Estimates and Earlier decennial Census Counts).
Population Under Age 18 (2020 Census): 13.6%
Population Density (2020 Census): 11,067.3 persons per square mile
Housing Units: 52,389
Persons Per Housing Unit: 1.8
Land Area: 8.41 square miles (21.78 square kilometers)
Water Area: 8.76 square miles (22.70 square kilometers)
Total Area: 17.17 square miles (44.47 square kilometers)
Geographic Coordinates (Latitude/Longitude): 34.010911 -118.498245
Other Facts & Statistics for Cities in Los Angeles County
Named by the Gaspar de Portola expedition upon their arrival there in 1770 on the feast day of Saint Monica, mother of Saint Augustine. The name was later applied to two land grants encompassing the area, Boca de Santa Monica and San Vicente y Santa Monica. Senator John P. Jones of Nevada and Colonel Robert S. Baker founded the town in 1875.
City in red below. Click on map for more detailed color map of county.
See our Santa Monica postcards: